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Utes-A and Utes-T

Description of the radar set, tactical-technical characteristics

Figure 1: Utes-T

Figure 1: Utes-T

Specifications
Utes-AUtes-T
frequency: 1 240 … 1 350 MHz (L-Band)
pulse repetition time (PRT):
pulse repetition frequency (PRF):
pulsewidth (τ): 80 µs; 1.6 µs120 µs; 1.6 µs
receive time:
dead time:
peak power: 35 kW
average power: 1.5 kW
instrumented range: 160 km360 km
range resolution: 250 m
accuracy: 150 m; 0.15°
beamwidth: 1.5°
hits per scan:
antenna rotation: 12 min⁻¹6 min⁻¹
MTBCF: 10 000 h
MTTR: 0.5 h

Utes-A and Utes-T

Utes-A (Cyrillic: Утёс-А , engl.: “Cliff”) and Utes-T (Cyrillic: Утёс-Т ) are operating in L-Band fully coherent air traffic control radars. Utes-A (aerodrome) is predetermined to as terminal area radar with a lower maximum range but higher data renewing rate. It has two electronic racks with 16 booster modules each. Utes-T (trace) is predetermined to as en-route radar with higher peak power and larger maximum range. It has four electronic racks with 16 booster modules each.

The antenna is a double curved parabolic reflector with the dimensions of 10.5 × 13.6 meter, providing a cosecant squared pattern. The reflector is fed by two feed horns (high- and low-beam). The radars are frequency-diversity radar. They work in the frequency band on two frequencies at a distance of 54 MHz. Both frequencies are transmitted simultaneously, but only on the low-beam channel. The radar has four independent receiving channels (high- and low-beam for each frequency). The optional MSSR antenna is located on the same turntable as the primary radar antenna and is mounted on the rear of the primary reflector.

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